function time() {
    var vWeek, vWeek_s, vDay;
    vWeek = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
    var date =  new Date();
    year = date.getFullYear();
    month = date.getMonth() + 1;
    day = date.getDate();
    hours = date.getHours();
    minutes = date.getMinutes();
    seconds = date.getSeconds();
    vWeek_s = date.getDay();
    document.getElementById("dateTime").innerHTML = year + "年" + month + "月" + day + "日" + "\t" + hours + ":" + minutes + ":" + seconds + "\t" + vWeek[vWeek_s];
};
setInterval("time()", 1000);